Non-trading property companies (sociétés civiles à objet strictement immobilier), other than non-trading property investment companies (sociétés civiles de placement immobilier), whose units are wholly owned, directly or indirectly, by insurance companies on 1 January 2007, some or all of whose units constitute units of account in life insurance or capitalisation contracts on the same date, may adopt the regime for open-ended real estate investment companies (sociétés de placement à prépondérance immobilière à capital variable) provided for in subparagraph 2 of paragraph 3 of sub-section 2 of Section 2 of Chapter IV of Title I of Book II of the Monetary and Financial Code, under the conditions set out in this section and in I of Article L. 214-35 of the same code.